Fracture Failure Analysis of Fuel Pump Transmission Shaft of Dual-Fuel Engine

Fracture Failure Analysis of Fuel Pump Transmission Shaft of Dual-Fuel Engine

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NTS6ZLCz-129 dual-fuel turbocharged and intercooled engine durability test at 1000h, micarta iphone case fuel pump shaft fractured.Fracture analysis, chemical analysis, microstructure examination and finite element stress analysis were carried out on the fractured shaft.The analysis result showed that the shaft fracture cause is oolution light up forging fold.By improving the forging process, the forging fold was solved, and the durability test can be carried out smoothly.